<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <button id="btn">add</button>
  <span id="word"></span>
  <h1 id="age"></h1>
  <input type="text" @change="onChange"/>
  <!-- <input type="button" value="改变data内容" onclick="changeInput()"> -->
  <script src="/xuni/bundle.js"></script>
</body>
</html>